projects / unix-history / blame
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|---|---|---|
| d2ce791e KB |
1 | /*- |
| 2 | * Copyright (c) 1990 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * Hugh Smith at The University of Guelph. | |
| 7 | * | |
| 8 | * %sccs.include.redist.c% | |
| 9 | */ | |
| 10 | ||
| 11 | #ifndef lint | |
| f10e4796 | 12 | static char sccsid[] = "@(#)touch.c 5.3 (Berkeley) %G%"; |
| d2ce791e KB |
13 | #endif /* not lint */ |
| 14 | ||
| 15 | #include <sys/types.h> | |
| 16 | #include <fcntl.h> | |
| d2ce791e KB |
17 | #include <dirent.h> |
| 18 | #include <ranlib.h> | |
| 19 | #include <ar.h> | |
| d6db39e0 KB |
20 | #include <time.h> |
| 21 | #include <unistd.h> | |
| d2ce791e | 22 | #include <stdio.h> |
| d6db39e0 | 23 | #include <string.h> |
| d2ce791e | 24 | #include <archive.h> |
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25 | |
| 26 | extern CHDR chdr; /* converted header */ | |
| 27 | extern char *archive; /* archive name */ | |
| 28 | ||
| 29 | touch() | |
| 30 | { | |
| 31 | int afd; | |
| 32 | ||
| 33 | afd = open_archive(O_RDWR); | |
| 34 | ||
| f10e4796 | 35 | if (!get_arobj(afd) || |
| d2ce791e KB |
36 | strncmp(RANLIBMAG, chdr.name, sizeof(RANLIBMAG) - 1)) { |
| 37 | (void)fprintf(stderr, | |
| 38 | "ranlib: %s: no symbol table.\n", archive); | |
| 39 | return(1); | |
| 40 | } | |
| 41 | settime(afd); | |
| 42 | return(0); | |
| 43 | } | |
| 44 | ||
| 45 | settime(afd) | |
| 46 | int afd; | |
| 47 | { | |
| 48 | struct ar_hdr *hdr; | |
| 49 | off_t size; | |
| 50 | char buf[50]; | |
| 51 | ||
| 52 | size = SARMAG + sizeof(hdr->ar_name); | |
| 53 | if (lseek(afd, size, SEEK_SET) == (off_t)-1) | |
| 54 | error(archive); | |
| 55 | (void)sprintf(buf, "%-12ld", time((time_t *)NULL) + RANLIBSKEW); | |
| 56 | if (write(afd, buf, sizeof(hdr->ar_date)) != sizeof(hdr->ar_date)) | |
| 57 | error(archive); | |
| 58 | } |